In IPv4, service type of service in header field, first 3 bits are called ______
A. Type of service B. Code bits C. Sync bits
D. Precedence bits
Explanation: The 8-bit ToS (type of service) in IPv4 uses 3 bits for IP Precedence, 4 bits for ToS with the last bit not being used. The 4-bit ToS field, although defined, has never been used.
Occurrence: 0, System Administrator 2026
In IPv4, service type of service in header field, first 3 bits are called ______ | Precedence bits | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database
